EP 3950219 A4 20230104 - COOLANT SUPPLY DEVICE AND MACHINE TOOL
Title (en)
COOLANT SUPPLY DEVICE AND MACHINE TOOL
Title (de)
KÜHLMITTELZUFÜHRUNGSVORRICHTUNG UND WERKZEUGMASCHINE
Title (fr)
DISPOSITIF D'ALIMENTATION EN AGENT DE REFROIDISSEMENT ET MACHINE-OUTIL
Publication
Application
Priority
- JP 2019116352 A 20190624
- JP 2020020798 W 20200526
Abstract (en)
[origin: EP3950219A1] Provided are a coolant supply device and a machine tool in which ejection of a coolant is easily switched on and off. A coolant supply device 10 for supplying a coolant to a workpiece machining area in a machine tool, the coolant supply device comprising: a rotary nozzle 40 formed to have a cylindrical shape and having, at an outer circumferential face thereof having the cylindrical shape, an ejection port 51 for ejecting the coolant; and a supply device body 20 rotatably supporting the rotary nozzle and configured to be capable of supplying the coolant to the rotary nozzle. The supply device body is configured to be capable of switching an ejection allowed range in which the ejection port is opened and an ejection stopped range in which the ejection port is blocked from each other in accordance with rotation of the rotary nozzle.
IPC 8 full level
B23Q 11/10 (2006.01); B05B 1/04 (2006.01); B05B 1/14 (2006.01); B05B 1/30 (2006.01)
CPC (source: CN EP KR US)
B05B 1/046 (2013.01 - EP); B05B 1/14 (2013.01 - EP); B05B 1/30 (2013.01 - KR); B05B 1/3026 (2013.01 - EP); B23Q 11/10 (2013.01 - CN US); B23Q 11/1076 (2013.01 - CN EP KR)
Citation (search report)
- [XA] US 3094283 A 19630618 - BALISTER ALEX V
- [X] GB 2259267 A 19930310 - BLOHM MASCHINENBAU GMBH [DE]
- See also references of WO 2020261844A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3950219 A1 20220209; EP 3950219 A4 20230104; CN 113874162 A 20211231; CN 113874162 B 20240305; JP 2021000706 A 20210107; JP 7399635 B2 20231218; KR 20220021461 A 20220222; TW 202100289 A 20210101; TW I836081 B 20240321; US 2022219273 A1 20220714; WO 2020261844 A1 20201230
DOCDB simple family (application)
EP 20833574 A 20200526; CN 202080037696 A 20200526; JP 2019116352 A 20190624; JP 2020020798 W 20200526; KR 20217036074 A 20200526; TW 109117354 A 20200525; US 202017604855 A 20200526